Type-writing machine.



H. H. STEELE.

TY-PE WRITING MACHINE..

APPLICATLQN msu MAn.29.19n.

Patented Dec. 5,1916i INVENTUR @www HISATTURNEY ...ffl .141-,

H. H. STEELE.

TYPE WRITING MACHINE. APPLlc/Tlon man M1111. 29. 1911.k

Patented 1160.519111.

3 SHEETS-SHEET 3 HISATTDRNEY' WITNEESEE..

ATES ANT OFEE.

HERBERT H. STEELE, OF MARCELLUS, NEW YORK, ASSIGNOR, BY lVlESNE ASSIGNMENTS, TO REMINGTON TYPEWRITER COMPANY, OF ILION, NEW YORK` A CORPORATION F NEW YORK.

'rYPmWEiTING MACHINE.

To (1U whom it may concern:

Be it known thatI, HERBERT H. STEELE, citizen of the United States, and resident of Marcellus, in the county of Onondaga and State of New York, have invented certain new and useful Improvements in Type-Triting Machines, of which the following is a specification.

My invention relates' especially to paper feeding mechanism for typewriting machines and has for its principal object the provision of improved devices for controlling and feeding a stiff work sheet such as a stencil sheet or card.

lVhile my invention is particularly useful in feeding and controlling stencil sheets and the like, it may be advantageously employed also in connection with thinner work sheets or paper.

To the above and other ends my .invention consists in the features of consti'uction, coinbinations of devices and arrangements of parts hereinafter described and particularly pointed out in the claims.

My invention is illustrated in the accompanying drawings wherein- Figure 1 is a front elevation of the platen and platen carrier of a Monarch type-writing machine embodying my invention. Fig. 2 is a detached view of an element hereinafter called a paper guide bar and associate paper feeding bands. Fig. 3 is a transverse vertial sectional view of said platen and platen carrier, the mounting of the platen carrier being also shown. Fig. 1 is a diagrammatic side view showing some of the parts in different relationships from those in which they appear in Fig. 3. Fig. 5 is an end view of the platen showing the platen stops. Fig. 6 is a vertical sectional view showing a guide pulley for one of the endless paper feeding bands and also showing supporting and controlling devices for said pulley. Figs. 7 and 8 are fragmentary views showing the end portions of one of the endless bands. Figs. 9 and 10 are side elevations of the end portions of Figs. 7 and 8.-

Fig. 11 is .a fragmentary side view of a modified construction of paper feeding element or band.

In various views 'parts are omitted and,

understood that it may be readily adapted to other styles of writing machines.

Specification of Letters Patent.

Patented Dec. 5, 1916.

Serial No. 617,685.

Referring to-Figs. 1 and 3, the top plate 1 supports standards 2 secured to guide rails 3 grooved to receive anti-friction balls 4, which balls coperate with the grooved upper and lower faces of a. slide bar 5 comprised in aplaten carrier or carriage which further comprises end bars 6, the end bars providing bearings for an axle 7 of a rotary cylindrical platen 8 which may be turned by line spacing devices including a line spacing ratchet wheel 9 operatively connected with the left-hand end of the platen. The platen is provided with platen heads 10 and 11 and may be equipped with paper feeding and controlling devices of the usual or other suitable style including main and ysecondary feed rollers numbered respectively 12 and 1?, a front scale lei arranged below the printinc'` line, a paper defiector 15, and a paper tatie 1c.

My invention is preferably constructed so that it may be readily applied to the usual style of platen carriage equipped as above described, but, of course, if desired, the regular paper feeding devices may be dispensed with and the platen provided only with the special mechanism now to be described. Said special mechanism to which my invention more particularly relates is mounted'on a bracket or support which includes end plates or bars 17 and a connecting rod or bar 1S. The end plates are formed with notches or slots lil/and 2O which are adapted to engage respectively with transverse rods 21 and 22v on the platen carrier, the rod 421 being preferably the usual release rod or shaft and the rod 22 the paper finger rod which is arranged above the platen. The construction is such that the supporting bracket with the parts carried by it may be readily detached from the platen carrier. ln order to prevent endwise movement of the supporting bracket, the slots preferably engage with grooves 23 in the rod 22. The 'upper portions of the end plates are formed with vertically disposed and for wardly inclined slots 24 which receive the reduced ends 25 of a rod or shaft 26. On

' said shaft are loosely mounted two guiding members or pulleys 27 having fianges 28 and outwardly projecting` hubs 29, which hubs are adapted to contact with the inner faces of the plates 17 to prevent undue separation of the pulleys.

The pulleys 27 support iexible feeding elements 30 which preferably are tempered steel lbands or strips, the ends of each band or strip being preferably detachably connected, as best shown in Figs. 1 and 7 to 10, wherein 31 designates an end tab riveted at 32 to one end of the band 30 and provided with a key hole slot 33 with which is adapted to engage a headed stud 341 secured to the opposite end of the associate band 30. Each band 30 is preferably connected to the platen so that when the platen turns the bands will turn with it. The bandsv30 are preferably detachably connected each` with av guide bar or plate '35, although of course they may be permanently riveted or otherwise secured to the guide bar. Each band 30 is preferably provided with a Vertical slot 3G which is adapted to engage with a stud 37 having a vdiagonally arranged oblong head 38, the construction bei'ng such that by disconnecting the ends of the band 30 and turning it so as to aline the slot 36 with the stud head 38, it may be readily disconnected; but when the band is at right angles to the guide bar 35 as shown in Fig. 2, it is securely connected to said guide bar. Fig. 2 is an inner face view of the guide bar and it will be observed that said figure shows a. plurality of studs 37 at each side of the middle of the bar 35, these studs providing means where by the normal distance between the bands 30 ma` be varied predetermined extents, enabling the bands to coperate with the side edge portions of paper or work sheets of varying widths, the loose pulleys 27 being correspondingly adjusted on the rod 26. lith a wider stencil sheet than that herein shown a wider supporting bracket would be employed. The guide bar 35 is or may be mounted on the platen similarly to the guide bar shown in' my pending application, Sr.

No. $76,653, Afiled February 8th, 1909. The end portions of the guide bar are bent inward tocontact with the platen heads 10 and 11 and are formed with notches 39 and 10. The notch 39 engages with av headed stud l1 on the platen head 10 while the notch Je() engages with a stud 42 on the platen head 11 and is maintained in engagement with said stud by a bail or locking element 43 which is piyoted at its ends at ll to the platen head. 11 and part-ly surrounds said platen, conforming in shape thereto. The construction is such that by swinging the bail 43 outward the guide plate 35 may be detached, and after the ends ot the bands 3() are disconnectedthe guide plate and bands may readily be removed Jfrom the machine. T heinherent tension of the guide bar 35 is such that normally'the stud heads 38 are maintained in contact with the platen face. and hold the upper edge of the guide bar 35 away trom the platen as shown in Fig. et, providing apocket or recess 45 which is adapted to receive the lower end portion ot' the stencil plate 4G or other work sheet. rllhe stud heads 38 arrest the stencil plate and serve as an end stop therefor, while the edge portion of the guide plate above the studs cooperates with the lower part of the stencil plate to prevent it from bulging outward away from the platen. rThe lower edge p0rtion of the guide bar 35 is inclined from each end toward the middle and is also sharpened or thinned so that it may readily pass down ward between the platen and the front scale plate 11 and feed rollers 13 and 12.

Fig; i shows the guide plate in proper position at the front of the platen for receiving the stencil plate or other work sheet. The platen is preferably arrested in this position by coperating platen stops, the rod or bar 22 serving as one of these stops and t-he other stop being a slidable member i7, best shown in Figs. l and 5. The member t7 comprises a stop proper or linger-like portion 48 formed with a slot 4:9 that receives a thumb screw 50. The body portion 51 of the stop member is formed with a slot 52 which tits over the hub 11 of the platen head 11, the construction being such that the two slots 49 and 52 coperate respectively with the thumb nut 50 and hub 11 vto hold the stop member from turning on its support. The stop member is formed at its lower end with an outward projection or finger piece 53 by which it may be slid in and out radially of the platen when the thumb nut 50 is loosened. In the Fig. 5 position the stop member is operative, but by loosening the thumb nut and pulling down on the projection the stop member may be drawn inward far enough so that it will pass undery the'rod 22 on the platen frame.

The rod or support 26 for the pulleys 27 is mounted so that it may be expeditiously freed and lowered to loosen the bands 30 and facilitate the introduction of a stencil sheet or other worksheet. Said rod is also mounted for` adjustment toward and away from the platen so as to vary the tension of the bands 30. The manner of mounting the rod or support 26 to obtain these results will now be described. The reduced end portions 25 of the rod 26 project outward beyond the plates 17 and each has loosely connected to it a downwardly extending arm or toggle element which is pivotally connected at to a second arm or toggle element 5G, the lower end whereof is pivot ally supported as best shown in Fig. 6 lon av shouldered screw 57, the stem whereof passes through a slot 58 in the arm 17 and is engaged at its inner end by a nut 59. The construction is such that by loosening the nut 59 the screw 57 may be set higher or lower on the arm 17, thereby correspondingly raising or lowering` the toggle 54, 56 and the end of the rod 26 supported by said toggle. The effect ot so adjusting the two shouldered screws or supports 57 is to move the rod 26 and the pulleys 27 away from or toward the platen, Varying their normal position and increasing and decreasing to a correswnding` extent the tension of the endless bands 30 which pass around the platen and also around the guide pulleys 27.

At each pivotal connection 55 a finger piece (30 is provided by which the associate toggle may be straightened or broken at will. lVhcn the toggles are straightened as shown in Fig. l, the elements are arrested from further forward movement by studs or stops 61, and the rod QG is thus maintained at or near the top of the slots @at and the bands 30 are held taut. ly pushing rearward against the linger pieces (SO the associate toggles may be broken at will, causing the guide pulleys 27 to drop down in the slots 2st as shown in -Fig l, thus loosening the bands 30 and facilitating the introduction of the stencil sheet -l-( from the right-hand side, said stencil sheet being entered in the pocket or slot-way l5 and pushed leftward behind the bands 30 until arrested by the contact of the left-hand edge of said stencil sheet with a side guide formed by a forward extension 17L on the left-hand plate 17. The stencil sheet having thus been positioned7 the finger pieces G0 may be pulled forward7 straightening the toggles and tightening the bands 30. Thereafter when the platen is turned rearwardly as by one of the usual linger wheels (l2, the bands 30 will engage with the side edge portions of the stencil sheet and will bind it tightly to the platen, causing the stencil sheet to bend and conform to the shape of the platen in the vicinity of the printing line at the front face of said platen, and operating also as feeding means, causing the stencil sheet to turn backward with the platen and thereafter operating also to feed it forward after it has been properly positioned and the first line has been written thereon. The binding action of the bands prevents slipping or displacement of thel work sheet during the feeding thereof, said bands maintaining the sheet always in correct relationship with the platen` Instead of loosening the bands Il() by operating the handle 60, the stencil sheets may be removed and inserted if preferred by passing them in and removing them from the front between the two bands 20. It will be understood that the plate or bar 35 is merely a guide plate and does not grip or clamp the lower edge portion of the stencil sheet. the clampingand feeding of the stencil sheets being solely the functions ol the bands 30. For thin sheets of paper a spring connection between the ends of the paper` feeding bands is preferable. Such a connection is shown in Fig. ll. end portions of a band or flexible feeding wherein the element 30PL are shown, these end portions being connected by a coiled spring G3, the ends of which are formed into hooks to engage in holes in the ends of the band. This construction gives a light yielding tension of the band 3() and this has been found suitable .for feeding and controlling thin paper or the like.

It will be observed that by my present invention I provide mechanism or devices lin the nature of an attachment which may be readily applied to and removed from existing styles of typewriting machines; that said attachment is especially adapted to feeding and controlling thick or heavy cards or sheets such as stencil sheets; that said mechanism comprises feeding bands or flexible elements which cooperate with the side edge portions of a sheet to feed the saine accurately and evenly, preventing any displacement of the sheet due to slipping which has heretofore been a common trouble in the feeding of stencil sheets and other thick sheets;. and that said bands operate also on the work sheet to bind it and hold it closely to the face of the platen in the neighborhood of the printing point7 thus facilitating clear and accurate type impressions.

Various changes besides those specified above may be made without departing from my invention.

IV hat I claim as new and desire to secure by Letters Patent. is:-

l. In a typewriting machine. the combination with a cylindrical platen, of a flexible element fastened to and normally completely surrounding the platen and constantly cooperative with the platen in the vicinity of the printing line to cause the work sheet to conform to the surface of the platen at the printing line during the printing of said work sheet.

2. In a typewriting machine. the combination with a cylindrical rotary platen. of a band having a fixed point of connectiim with the platen and cooperative with the platen constantly in the vicinity of the prinling line. said band operating during `rotary i-noveinents thereof to cause a work sheet to conform to the surface of the platen in the vicinity of the print-ing point.

:5. in a typcwriting machine` the combination of a cylindrical .platen` and a flexible band engaging the side edge portion of the work sheet. said band being positively connected at a fixed point to the platen and cooperating with the platen constantly in the vicinity of the printing line. said band operating to cause the work sheet to conform to the surface of the platen in the vicinity of the printing lille.

l. Yln a typewriting machine. the combination with a l-iml1'ical platen. of a plurality of flexible bands spaced apart and ICO engageable with the side edge portions of the work sheet, said bands haying each a fixed point of connection with the platen and cooperating with the platen constantly in the vicinity of the printing line to canse said work sheetto conform to the surface of the platen in the vicinity of the printing line.

5. In a typewriting machine, the. combination of a cylindrical platen, of a fiexible band secured to the platen and cooperative constantly with the platen in the yicinitycf the printing line, said band engaging with the side edge portion of the work sheet to canse. the work sheet to conform to the platen surface in the Vicinity of the printing line. 4

(5. In a typewriting machine, the combination of a cylindrical platen and an endless band Connected at o-ne fixed point to the platen and copeative with the platen to lanse a work sheet to conform to the surface of the platen daring the printing of said work Sheet.

7. In a typewriting machine, the combination of a cylindrical platen and a pair of endless bands spaced apart to coperate with theside edge portions of a work sheet, said bands being secured t the platen at a. fixed point and cooperative therewith to bind the work sheet against the platen in the yicinity of the printing line.

S. In a typewriting machine. the combination of a cylindrical platen, a rotary member, an endless band connecting said platen with said rotary member, said band being secured to the platen at one fixed point. and cooperating with the side edge of the work sheet to bind the same to the surface of the platen in the vicinity of the printing line.

.9. In a typewriting machine, the combination with a cylindrical platen, of a flexible feeding element positively connected to the platen at a fixed point and coperative with the platen constantly in the vicinity of the printing line, said element operating to feed a work sheet and also to cause the work sheet to conform to the platen surface in the vicinity of the printing point.

10. In a typewriting machine, the combination with a cylindrical rotary platen, of a feeding band positively connected to the platen at a single fixed point and coperative constantly in the vicinity of the printing line with the platen, said band operating during rotary movements of said platen to feed a work sheet and to cause the same to conform to the surface of the platen in the vicinity of the printing point.

point and cooperating with the platen constantly in the vicinity of thew printingl line, said band cooperating with the platen as it is turned to feed the work sheet and also to canse said work sheet to conform to the surface of the platen in the vicinity of the printing line.

1;). In a typewriting` machine, the combination with a rotary cylindrical platen, a pair of endlessl bands spaced apart and positively connected to the platen, said bands engaging with the side edge portions of a work sheet and coperating with the platen, as it is turned, to feed said work sheet and also to canse said work sheet to conform to the surface of the platen in the vicinity of the printing point.

12E. In a typewriting machine, the combination of a rotary cylindrical platen, rotary members separated from the platen, endless bands connecting said platen with said n'iembers, said bands being connected to the platen and engaging with the side edge portions of the work sheetto bind the saine to the surface of the platen in the vicinity of the printing point and also to feed the .y

around the platen and arranged to provide with the platen a space in which the paper is received. and means for detachably con- ,necting the ends of said band.

16.1In a typewriting machine, the combination of a rotary platen, a pair of paper feeding bands coperative therewith, and means for at will affording predetermined extents of variation in the distance between said' bands. l

17. In a typewriting machine, the combi-v nation of a rotary platen, a pair of endless paper feeding bands, and guide pulleys for said bands, the space between said guide pnlleys being variable but controlled by said bands. y c

18. In a typewriting machine, the combination of a rotary platen, a guide bar thereon, and paper feeding bands adjustably secured to saidbguide bar.

19. In a typewriting machine, the combination of a rotary platen, a detachable paper guide bar thereon, and paper feeding bands detachably connected with said guide bar.

20. In a typewriting machine, thecomb- .nation of a rotary platen, a paper guide bar/ thereon, paper feeding bands detachably connected with said guide bar, and means for varying the polnts of connection between said bands and said guide bar so as to vary the normal distance between said bands.

21. In a typewriting machine, the combination of a rotary platen, a paper guide bar thereon, paper feeding bands detachably connected with said guide bar, and variable pin and slot connections between said bands and said guide bar for varying the normal distance between said bands.

22. In a typewriting machine, the combination of a rotary platen, a paper feeding band, and a spring connecting the ends of said band.

23. In a typewriting machine, the combination of a platen carrier, a rotary platen, a stop on said carrier, a coperating stop on a member slidably secured to one end of the platen and provided with a finger piece by which it may be slid radially in or out to render said coperating stop operative or indevices coperative with the platen, said devices being brought into receiving position when said stops coperate. 25. In a typewritingmachine, the comblnation of a-platen carrier, a platen thereon,

` a supporting bracket, guide rollers, feeding bands engaging said guide rollers, a rod supporting saidvv guide rollers and' movably mounted on said supporting bracket, and hand controlled toggle devices supporting said rod.

26. In a typewriting machine, the combination of a platen carrier, a platen thereon, a supporting bracket, guide rollers, feeding bands engaging said guide rollers, a rod supporting said guide rollers and movably mounted on said supporting bracket, hand controlled toggle devices supporting said rod, and adjustable supports for said toggle devices.

27'.l In a typewriting machine, the combination of a platen carrier, a rotary platen, paper feeding bands, guide pulleys therefor, a supporting rod for said pulleys, a bracket having guide slots for said rod, toggle arms on said bracket and connected to said arms,

A andhiinger pieces -connected to said toggle arms operative to move said rod in said guide slots.

28. In a typewriting machine, the combination of. a rotatable platen and a metallic band attached to said platen and arranged to hug a work sheet against the platen, said band comprising a spring portion.

29. In a typewriting machine, the combination of a rotary platen, stops to limit the rotation of the platen in either direction, and resilient work-holding bands connected to the platen substantially in line with -the 'printing line when the platen is at the limit of its rotation in one direction, said bands extending substantially at a tangent to the platen from the point of connection when the platen is in such position.

30. In a typewriting machine, the combination of a rota-table platen, bands attachable thereto and adapted to hold a work sheet against the platen, said bands being adjustable longitudinally of the platen and extending in a straight line from the platen, and means for adjustably supporting the extended portions of the bands.

31. In a` typewriting machine, the combination of a.rotatable platen vand a metallic band attached to said platen and adapted -to hold a work sheet againstV said platen, said band being provided with an extension forming resilient-means for maintaining tension4 .on said band.

32. In a. typewriting machine, the combination with a rotatable platen and'a platen frame in which it is journaled, of means for attaching a band to said platen foradjustment longitudinally of the platen, a framework on said frame, a fixed member on said1 framework on which a band holding member is slidably mounted, and a band extending from said holding member to said platen.

33. In a typewriting machine, the combination with a rotatable platen and a platen frame in which it is journaled, of a framework on said frame extending the length of the platen, a belt holder slidable on said framework lengthwise of the platen, a resilient belt extending from said holder to the platen. '..nd means to attach said belt to the platen.

Signed at Syracuse, in the county of Onondaga, and State of New Yorkthis 27th day of March, A. D. 191i.

HERBERT H. STEELE.

Witnesses: 4

WILLARD C. HAY, ELLA M. SHUTTS. 

